package com.mall.order.biz.handler;

import com.mall.commons.tool.exception.BizException;
import com.mall.commons.tool.utils.NumberUtils;
import com.mall.order.biz.callback.SendEmailCallback;
import com.mall.order.biz.callback.TransCallback;
import com.mall.order.biz.context.CreateOrderContext;
import com.mall.order.biz.context.TransHandlerContext;
import com.mall.order.constant.OrderRetCode;
import com.mall.order.constants.OrderConstants;
import com.mall.order.dal.entitys.Order;
import com.mall.order.dal.entitys.OrderItem;
import com.mall.order.dal.persistence.OrderItemMapper;
import com.mall.order.dal.persistence.OrderMapper;
import com.mall.order.dto.CartProductDto;
import com.mall.order.utils.GlobalIdGeneratorUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;

/**
 *  ciggar
 * create-date: 2019/8/1-下午5:01
 * 初始化订单 生成订单
 */

@Slf4j
@Component
public class InitOrderHandler extends AbstractTransHandler {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private  OrderItemMapper orderItemMapper;

    @Override
    public boolean isAsync() {
        return false;
    }

    @Override
    public boolean handle(TransHandlerContext context) {
        CreateOrderContext createOrderContext=(CreateOrderContext) context;
        Order order=new Order();

        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
        String format = LocalDateTime.now().format(dateTimeFormatter);
        Random random = new Random();
        int i = random.nextInt(900) + 100;
        String orderId = format + i;
        //全局id生成器
        order.setOrderId(orderId);
        order.setUserId(createOrderContext.getUserId());
        order.setBuyerNick(createOrderContext.getBuyerNickName());
        order.setPayment(createOrderContext.getOrderTotal());
        order.setCreateTime(new Date());
        order.setUpdateTime(new Date());
        order.setStatus(OrderConstants.ORDER_STATUS_INIT);
        orderMapper.insert(order);

        List<Long> buyProducts=new ArrayList<>();
        List<CartProductDto> cartProductDtoList=createOrderContext.getCartProductDtoList();
        for(CartProductDto cartProductDto:cartProductDtoList){
            OrderItem orderItem=new OrderItem();
            String orderItemId=UUID.randomUUID().toString();
            orderItem.setId(orderItemId);
            orderItem.setItemId(cartProductDto.getProductId());
            orderItem.setOrderId(orderId);
            orderItem.setNum(cartProductDto.getProductNum().intValue());
            orderItem.setPrice(cartProductDto.getSalePrice().doubleValue());
            orderItem.setTitle(cartProductDto.getProductName());
            orderItem.setPicPath(cartProductDto.getProductImg());
            BigDecimal total=cartProductDto.getSalePrice().multiply(new BigDecimal((cartProductDto.getProductNum())));
            orderItem.setTotalFee(total.doubleValue());
            orderItem.setStatus(1);
            buyProducts.add(cartProductDto.getProductId());
            orderItemMapper.insert(orderItem);
        }
        createOrderContext.setOrderId(orderId);
        createOrderContext.setBuyProductIds(buyProducts);
        return true;
    }
}
